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Adding and Subtracting Fractions Worksheet

Vedic maths trick 33: Adding and subtracting fractions · Set 194 · 40 sums
TalentJR

The trick (Urdhva Tiryagbhyam): Top: multiply crosswise — first top × second bottom, then first bottom × second top — and add (or subtract). Bottom: multiply the two bottoms. Simplify by dividing top and bottom by their HCF. Give the answer as a fraction like 17/12.

NameDateTime takenScore ___ / 40
  1. 1.1/5 + 1/4 =
  2. 2.3/9 − 2/8 =
  3. 3.3/4 − 4/6 =
  4. 4.1/2 + 2/7 =
  5. 5.1/2 + 3/4 =
  6. 6.5/8 + 3/10 =
  7. 7.1/2 + 1/2 =
  8. 8.6/12 + 3/10 =
  9. 9.1/2 + 6/7 =
  10. 10.8/11 − 1/3 =
  11. 11.1/2 − 3/7 =
  12. 12.1/5 + 3/6 =
  13. 13.1/3 − 1/7 =
  14. 14.3/11 + 2/7 =
  15. 15.1/9 + 1/3 =
  16. 16.1/7 + 6/10 =
  17. 17.4/7 + 2/10 =
  18. 18.2/6 + 1/2 =
  19. 19.6/7 + 7/8 =
  20. 20.1/9 + 2/8 =
  21. 21.7/12 + 1/8 =
  22. 22.2/3 + 3/4 =
  23. 23.4/10 + 1/3 =
  24. 24.7/12 + 4/12 =
  25. 25.3/7 − 2/9 =
  26. 26.6/8 + 6/7 =
  27. 27.7/10 + 1/3 =
  28. 28.10/11 + 1/2 =
  29. 29.2/7 + 2/3 =
  30. 30.1/3 + 7/12 =
  31. 31.1/2 − 3/7 =
  32. 32.1/6 + 3/8 =
  33. 33.1/12 + 8/12 =
  34. 34.3/5 + 5/9 =
  35. 35.2/7 + 2/11 =
  36. 36.2/12 + 6/7 =
  37. 37.7/12 + 2/5 =
  38. 38.4/12 + 3/6 =
  39. 39.9/10 − 6/8 =
  40. 40.4/6 + 2/4 =

Answer key

  1. 9/20
  2. 1/12
  3. 1/12
  4. 11/14
  5. 5/4
  6. 37/40
  7. 1
  8. 4/5
  9. 19/14
  10. 13/33
  11. 1/14
  12. 7/10
  13. 4/21
  14. 43/77
  15. 4/9
  16. 26/35
  17. 27/35
  18. 5/6
  19. 97/56
  20. 13/36
  21. 17/24
  22. 17/12
  23. 11/15
  24. 11/12
  25. 13/63
  26. 45/28
  27. 31/30
  28. 31/22
  29. 20/21
  30. 11/12
  31. 1/14
  32. 13/24
  33. 3/4
  34. 52/45
  35. 36/77
  36. 43/42
  37. 59/60
  38. 5/6
  39. 3/20
  40. 7/6

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